1872904 has 16 divisors (see below), whose sum is σ = 3831120. Its totient is φ = 851280.

The previous prime is 1872889. The next prime is 1872911. The reversal of 1872904 is 4092781.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10554 + ... + 10729.

It is an arithmetic number, because the mean of its divisors is an integer number (239445).

2^1872904 is an apocalyptic number.

It is an amenable number.

1872904 is an abundant number, since it is smaller than the sum of its proper divisors (1958216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1872904 is a wasteful number, since it uses less digits than its factorization.

1872904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21300 (or 21296 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1872904 is about 1368.5408287662. The cubic root of 1872904 is about 123.2646383134.

The spelling of 1872904 in words is "one million, eight hundred seventy-two thousand, nine hundred four".